Definisjon av Agnatha

Vi fant 3 definisjoner av Agnathaengelsk.

Annonsering

WordNet WordNet by Princeton University

Noun

Agnatha - superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
superclass Agnatha
class elegance in dress or behavior; "she has a lot of class"
craniata, subphylum craniata, subphylum vertebrata, vertebrata fishes; amphibians; reptiles; birds; mammals
agnathan, jawless fish, jawless vertebrate eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
order ostracodermi, ostracodermi extinct group of armored jawless vertebrates; taxonomy is not clear
anaspida, order anaspida extinct order of jawless vertebrates
conodonta, conodontophorida, order conodonta, order conodontophorida extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum
= synonym
= antonym
= relatert ord

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Substantiv

Agnatha - An agnathan.

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  • Agnatha is a class or superclass of jawless fish in the phylum Chordata, subphylum Vertebrata. The group excludes all vertebrates with jaws, known as gnathostomes. The agnathans as a whole are paraphyletic, because most extinct agnathans belong to the stem group of gnathostomes.

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